Thickness (mm)*
I	II	III	IV	V	VI	VII	VIII
5.56	6.21	7.08	8.24	5.58	6.21	7.11	8.28
4.93	4.98	5.01	5.03	2.68	2.60	2.61	2.79

Width at Mark 3 (mm)
Mark III (5mm thickness)
Initial 	Final
19.02	19.57

Mark VII (2.5mm thickness)
Initial 	Final
19.18	20.51